CARSON — The Raiders lost their last four games of the season, culminating in Sunday’s 30-10 thud in Los Angeles, and coach Jack Del Rio lost his job. He was fired minutes after the game by owner Mark Davis, and then told reporters. Davis left without speaking to anyone but Del Rio.

There are many reports that the Raiders are pursuing former coach and ESPN broadcaster Jon Gruden, and Davis didn’t deny those reports when asked Saturday night.

It’s a surprisingly swift end to a 6-10 season and to Del Rio’s stint here. He was given a new, four-year contact in February after the Raiders went 12-4 last season and ended a 13-year playoff drought.

“It’s a production business,” Del Rio said. “I understand. It was an honor to coach my hometown team.”

Del Rio, who grew up a Raiders fan in Hayward, finishes 25-23 in three years as coach of the team. A decision to replace offensive coordinator Bill Musgrave last offseason backfired, as quarterback Derek Carr regressed and the team’s scoring average fell from 26 points a game to 19. All while the defense remained mediocre at best.

The Raiders started off 2-0, then went 4-10 to finish the season. They were 0-10 when they scored 17 or fewer points.

“We appreciate Jack’s effort in building the foundation of this team for the future,” Davis said in a prepared statement an hour and a half after the game, “Thank you to Jack, his wife, Linda, and his daughter, Aubrey, for their important contributions to the Raiders and our local community in Oakland. We wish them all the best.”

Del Rio was the ninth coach in Oakland since Gruden left, and Davis has tried to lure him back before. ESPN reported that Davis was set to offer Gruden an ownership stake, but a league source said that was “ridiculous” and another agreed with that assessment.

Gruden was traded by the Raiders to Tampa Bay following the 2001 season and the next season beat the Raiders in Super Bowl XXXVII. He was fired by the Bucs after the 2008 season and hasn’t coached since.

* More reaction coming.

(Top photo: Kelvin Kuo/AP)

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Vic Tafur covers the Oakland Raiders and the NFL for The Athletic Bay Area following a 12-year stint with the San Francisco Chronicle. He also writes about boxing and mixed martial arts. Follow Vic on Twitter @VicTafur.